US8978386B2 - Gas turbine system, control device for gas turbine system, and control method for gas turbine system - Google Patents

Gas turbine system, control device for gas turbine system, and control method for gas turbine system Download PDF

Info

Publication number
US8978386B2
US8978386B2 US13/817,956 US201013817956A US8978386B2 US 8978386 B2 US8978386 B2 US 8978386B2 US 201013817956 A US201013817956 A US 201013817956A US 8978386 B2 US8978386 B2 US 8978386B2
Authority
US
United States
Prior art keywords
high pressure
hot water
pressure hot
atomizing
water
Prior art date
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Expired - Fee Related, expires
Application number
US13/817,956
Other languages
English (en)
Other versions
US20130174549A1 (en
Inventor
Takaaki Sekiai
Kazuhito Koyama
Shigeo Hatamiya
Fumio Takahashi
Naoyuki Nagafuchi
Kazuo Takahashi
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Mitsubishi Power Ltd
Original Assignee
Mitsubishi Hitachi Power Systems Ltd
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by Mitsubishi Hitachi Power Systems Ltd filed Critical Mitsubishi Hitachi Power Systems Ltd
Assigned to HITACHI, LTD. reassignment HITACHI, LTD. ASSIGNMENT OF ASSIGNORS INTEREST (SEE DOCUMENT FOR DETAILS). Assignors: KOYAMA, KAZUHITO, NAGAFUCHI, NAOYUKI, HATAMIYA, SHIGEO, SEKIAI, TAKAAKI, TAKAHASHI, FUMIO, TAKAHASHI, KAZUO
Publication of US20130174549A1 publication Critical patent/US20130174549A1/en
Assigned to MITSUBISHI HITACHI POWER SYSTEMS, LTD. reassignment MITSUBISHI HITACHI POWER SYSTEMS, LTD. ASSIGNMENT OF ASSIGNORS INTEREST (SEE DOCUMENT FOR DETAILS). Assignors: HITACHI, LTD.
Application granted granted Critical
Publication of US8978386B2 publication Critical patent/US8978386B2/en
Expired - Fee Related legal-status Critical Current
Adjusted expiration legal-status Critical

Links

Images

Classifications

    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F03—MACHINES OR ENGINES FOR LIQUIDS; WIND, SPRING, OR WEIGHT MOTORS; PRODUCING MECHANICAL POWER OR A REACTIVE PROPULSIVE THRUST, NOT OTHERWISE PROVIDED FOR
    • F03G—SPRING, WEIGHT, INERTIA OR LIKE MOTORS; MECHANICAL-POWER PRODUCING DEVICES OR MECHANISMS, NOT OTHERWISE PROVIDED FOR OR USING ENERGY SOURCES NOT OTHERWISE PROVIDED FOR
    • F03G6/00—Devices for producing mechanical power from solar energy
    • F03G6/02—Devices for producing mechanical power from solar energy using a single state working fluid
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F01—MACHINES OR ENGINES IN GENERAL; ENGINE PLANTS IN GENERAL; STEAM ENGINES
    • F01K—STEAM ENGINE PLANTS; STEAM ACCUMULATORS; ENGINE PLANTS NOT OTHERWISE PROVIDED FOR; ENGINES USING SPECIAL WORKING FLUIDS OR CYCLES
    • F01K21/00—Steam engine plants not otherwise provided for
    • F01K21/04—Steam engine plants not otherwise provided for using mixtures of steam and gas; Plants generating or heating steam by bringing water or steam into direct contact with hot gas
    • F01K21/045—Introducing gas and steam separately into the motor, e.g. admission to a single rotor through separate nozzles
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F01—MACHINES OR ENGINES IN GENERAL; ENGINE PLANTS IN GENERAL; STEAM ENGINES
    • F01K—STEAM ENGINE PLANTS; STEAM ACCUMULATORS; ENGINE PLANTS NOT OTHERWISE PROVIDED FOR; ENGINES USING SPECIAL WORKING FLUIDS OR CYCLES
    • F01K21/00—Steam engine plants not otherwise provided for
    • F01K21/04—Steam engine plants not otherwise provided for using mixtures of steam and gas; Plants generating or heating steam by bringing water or steam into direct contact with hot gas
    • F01K21/047—Steam engine plants not otherwise provided for using mixtures of steam and gas; Plants generating or heating steam by bringing water or steam into direct contact with hot gas having at least one combustion gas turbine
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F02—COMBUSTION ENGINES; HOT-GAS OR COMBUSTION-PRODUCT ENGINE PLANTS
    • F02C—GAS-TURBINE PLANTS; AIR INTAKES FOR JET-PROPULSION PLANTS; CONTROLLING FUEL SUPPLY IN AIR-BREATHING JET-PROPULSION PLANTS
    • F02C3/00—Gas-turbine plants characterised by the use of combustion products as the working fluid
    • F02C3/20—Gas-turbine plants characterised by the use of combustion products as the working fluid using a special fuel, oxidant, or dilution fluid to generate the combustion products
    • F02C3/30—Adding water, steam or other fluids for influencing combustion, e.g. to obtain cleaner exhaust gases
    • F02C3/305—Increasing the power, speed, torque or efficiency of a gas turbine or the thrust of a turbojet engine by injecting or adding water, steam or other fluids
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F02—COMBUSTION ENGINES; HOT-GAS OR COMBUSTION-PRODUCT ENGINE PLANTS
    • F02C—GAS-TURBINE PLANTS; AIR INTAKES FOR JET-PROPULSION PLANTS; CONTROLLING FUEL SUPPLY IN AIR-BREATHING JET-PROPULSION PLANTS
    • F02C6/00—Plural gas-turbine plants; Combinations of gas-turbine plants with other apparatus; Adaptations of gas-turbine plants for special use
    • F02C6/18—Plural gas-turbine plants; Combinations of gas-turbine plants with other apparatus; Adaptations of gas-turbine plants for special use using the waste heat of gas-turbine plants outside the plants themselves, e.g. gas-turbine power heat plants
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F02—COMBUSTION ENGINES; HOT-GAS OR COMBUSTION-PRODUCT ENGINE PLANTS
    • F02C—GAS-TURBINE PLANTS; AIR INTAKES FOR JET-PROPULSION PLANTS; CONTROLLING FUEL SUPPLY IN AIR-BREATHING JET-PROPULSION PLANTS
    • F02C7/00—Features, components parts, details or accessories, not provided for in, or of interest apart form groups F02C1/00 - F02C6/00; Air intakes for jet-propulsion plants
    • F02C7/12—Cooling of plants
    • F02C7/14—Cooling of plants of fluids in the plant, e.g. lubricant or fuel
    • F02C7/141—Cooling of plants of fluids in the plant, e.g. lubricant or fuel of working fluid
    • F02C7/143—Cooling of plants of fluids in the plant, e.g. lubricant or fuel of working fluid before or between the compressor stages
    • F02C7/1435—Cooling of plants of fluids in the plant, e.g. lubricant or fuel of working fluid before or between the compressor stages by water injection
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F03—MACHINES OR ENGINES FOR LIQUIDS; WIND, SPRING, OR WEIGHT MOTORS; PRODUCING MECHANICAL POWER OR A REACTIVE PROPULSIVE THRUST, NOT OTHERWISE PROVIDED FOR
    • F03G—SPRING, WEIGHT, INERTIA OR LIKE MOTORS; MECHANICAL-POWER PRODUCING DEVICES OR MECHANISMS, NOT OTHERWISE PROVIDED FOR OR USING ENERGY SOURCES NOT OTHERWISE PROVIDED FOR
    • F03G6/00—Devices for producing mechanical power from solar energy
    • F03G6/06—Devices for producing mechanical power from solar energy with solar energy concentrating means
    • F03G6/064—Devices for producing mechanical power from solar energy with solar energy concentrating means having a gas turbine cycle, i.e. compressor and gas turbine combination
    • F24J2/07—
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F24—HEATING; RANGES; VENTILATING
    • F24S—SOLAR HEAT COLLECTORS; SOLAR HEAT SYSTEMS
    • F24S20/00—Solar heat collectors specially adapted for particular uses or environments
    • F24S20/20—Solar heat collectors for receiving concentrated solar energy, e.g. receivers for solar power plants
    • Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
    • Y02E—REDUCTION OF GREENHOUSE GAS [GHG] EMISSIONS, RELATED TO ENERGY GENERATION, TRANSMISSION OR DISTRIBUTION
    • Y02E10/00—Energy generation through renewable energy sources
    • Y02E10/40—Solar thermal energy, e.g. solar towers
    • Y02E10/46—Conversion of thermal power into mechanical power, e.g. Rankine, Stirling or solar thermal engines

Definitions

  • the present invention relates to a gas turbine system, a control device for the gas turbine system, and a control method for the gas turbine system, wherein solar heat energy is used for a gas turbine.
  • Patent Literature 1 discloses a conventional art of this kind.
  • a gas turbine system is an electric power generation system that uses fossil resource, such as natural gas and petroleum as a fuel.
  • Patent Literatures 2 and 3 are concretely gas turbine systems with an HAT (Humid Air Turbine) cycle, which is a kind of a renewal cycle, that is configured, including an after cooler at the compressor outlet in a renewal cycle in the cycle, a humidifier for humidifying compressed air at the compressor outlet, a heat exchanger for heating water to be supplied to the humidifier, and the like, wherein disclosed is a technology for atomizing high pressure hot water, which is produced by an after cooler, a heat exchanger, and the like, from an atomiser arranged at the compressor inlet by flashing.
  • HAT Human Air Turbine
  • the above-described electric power generation system using solar heat requires a solar collector for collecting solar heat that is the heat source for steam.
  • solar collecting systems there are various systems such as parabolic trough systems for solar collecting by collecting solar light, using a solar collecting tube installed in front of a curved mirror, tower systems which use a tower to collect solar light reflected by a number of planar mirrors called heliostat, and the like.
  • a solar collector (reflecting mirror) of a huge scale is necessary to efficiently drive a steam turbine, in other words, to drive a steam turbine by obtaining steam with a higher temperature, or to thus obtain a high power output of the steam turbine.
  • This means that an extremely wide site is necessary to install a solar collector. For example, in a case of an electric power generation system with an output of 50 MW using solar heat, it is said that 1.2 square kilometers is necessary as the area for installing a solar collector.
  • a technology which atomizes normal temperature water to air in the air intake duct of a compressor to reduce a drop in output when the temperature of intake air increases, has the following problem.
  • high pressure hot water is atomized into an air intake duct.
  • the hot water is subjected to sudden depressurizing from a high pressure state to the atmospheric pressure state to flash.
  • a high pressure hot water flashes changing from liquid droplets into particles is promoted so that the water can be quickly evaporated inside the compressor.
  • gas turbine system that includes a compressor for compressing air, a combustor for combusting fuel by supplying the air compressed by the compressor, a gas turbine driven by combustion gas generated by the combustor, and a solar collector for generating a high pressure hot water by collecting solar heat, wherein the gas turbine system also includes an atomiser for atomizing the high pressure hot water generated by the solar collector to air taken into the compressor.
  • An object of the present invention is to provide a gas turbine system, a control device for the gas turbine system, and a control method for the gas turbine system which can satisfy a requirement for increasing output, matching with the operational state of the gas turbine system, even in case that a high pressure hot water generated by using solar heat energy cannot be used.
  • a gas turbine system having a compressor for compressing intake air and discharging the air, a combustor for mixing and combusting the air discharged from the compressor and fuel, and a gas turbine driven by combustion gas from the combustor, the gas turbine system including: a high pressure hot water atomizing system using solar heat, wherein the atomizing system generates high pressure hot water by a solar collector using solar heat energy and atomizes the high pressure hot water from an atomizing nozzle into the air taken in by the compressor; and a normal temperature water atomizing system that atomizes normal temperature water from an atomizing nozzle into the air taken in by the compressor.
  • a control device for controlling operation of a gas turbine system
  • the gas turbine system includes: a compressor for compressing intake air and discharging the air; a combustor for mixing and combusting the air discharged from the compressor and fuel; a gas turbine driven by combustion gas from the combustor; a high pressure hot water atomizing system using solar heat, wherein the atomizing system generates high pressure hot water by a solar collector using solar heat energy and atomizes the high pressure hot water from an atomizing nozzle into the air taken in by the compressor; and a normal temperature water atomizing system that atomizes normal temperature water from an atomizing nozzle into the air taken in by the compressor
  • the control device including: a high-pressure-hot-water generation-rate obtaining unit that measures a generation rate of high pressure hot water obtained by the solar collector; and an atomizing control mode determining unit that, based on at least a current generation rate of high pressure hot water, the current generation rate being obtained by the
  • a control method for a gas turbine system wherein the gas turbine system includes at least: a compressor for compressing intake air and discharging the air; a combustor for mixing and combusting the air discharged from the compressor and fuel; a gas turbine driven by combustion gas from the combustor; an atomiser, the atomiser being installed inside an air intake chamber on an upstream side of the compressor, for atomizing water to air to be supplied to the compressor so that a temperature of the air to be supplied to the compressor decreases; a high pressure hot water supply piping that includes a solar collector for generating high pressure hot water by heating water to be supplied to the atomiser to a temperature higher than a temperature of the air to be supplied to the compressor, using solar heat; and a normal temperature water supply piping for supplying normal temperature water to the atomiser, wherein the gas turbine system includes a control device for controlling operation of the gas turbine system, wherein the control device includes: a high-pressure-hot-water generation-
  • the gas turbine system can be controlled to be able to flexibly meet a requirement to increase the gas turbine output.
  • a gas turbine system having a compressor for compressing intake air and discharging the air; a combustor for mixing and combusting the air discharged from the compressor and fuel; and a gas turbine driven by combustion gas from the combustor;
  • the gas turbine system including: an atomiser, the atomiser being installed inside an air intake chamber on an upstream side of the compressor, for atomizing water to air to be supplied to the compressor so that a temperature of the air to be supplied to the compressor decreases; a high pressure hot water supply piping that includes a solar collector for generating high pressure hot water by heating water to be supplied to the atomiser to a temperature higher than a temperature of the air to be supplied to the compressor, using solar heat; a thermal storage for storing high pressure hot water generated by the solar collector, the thermal storage thermally maintaining the high pressure hot water, and a stored high pressure hot water supply piping for supplying the high pressure hot water stored in the thermal storage to the atomiser; a normal temperature water supply piping
  • a control device for the gas turbine system including: a high-pressure-hot-water generation-rate obtaining unit for measuring a generation rate of high pressure hot water generated by the solar collector; a high-pressure-hot-water storage-amount obtaining unit for obtaining a storage amount of high pressure hot water stored in the thermal storage; a high-pressure-hot-water atomizing-stage-quantity setting unit for setting a quantity of stages of atomizing base pipes, out of plural stages of atomizing base pipes, from which the high pressure hot water is to be atomized; and a supply amount setting unit for setting respective supply amounts of the high pressure hot water and the normal temperature water to be supplied to the atomiser, wherein, based on at least a current generation rate of high pressure hot water obtained by the high-pressure-hot-water generation-rate obtaining unit and a storage amount of high pressure hot water obtained by the high-pressure-hot-water storage-amount obtaining unit, the high-pressure-hot-water
  • the high-pressure-hot-water atomizing-stage-quantity setting unit computes a quantity of stages of atomizing base pipes capable of atomizing the high pressure hot water for a preset time and determines atomizing base pipes that are to atomize the high pressure hot water.
  • the supply amount setting unit sets the respective supply amounts of the high pressure hot water and the normal temperature water to be supplied to the atomiser, corresponding to the computed quantity of stages of atomizing base pipes.
  • control device for a gas turbine system, that enables operation of the gas turbine system such as to flexibly use high pressure hot water generated by solar heat and high pressure hot water stored in the thermal storage as much as possible. Further, generation of a loss that accompanies thermal radiation can be reduced by storing high pressure hot water in the thermal storage.
  • control device for the gas turbine system
  • the control device further includes a weather information obtaining unit for obtaining forecasted weather information
  • the high-pressure-hot-water atomizing-stage-quantity setting unit estimates and computes a future generation rate of high pressure hot water from the weather information obtained by the weather information obtaining unit and the current generation rate of high pressure hot water obtained by the high-pressure-hot-water generation-rate obtaining unit, computes a quantity of stages of atomizing base pipes capable of atomizing the high pressure hot water for a preset time, based on the estimated and computed high pressure hot water generation rate and the storage amount of high pressure hot water obtained by the high-pressure-hot-water storage-amount obtaining unit, and thereby determines atomizing base pipes to atomize the high pressure hot water
  • the supply amount setting unit sets the respective supply amounts of the high pressure hot water and the normal temperature water to be supplied to the atomiser, corresponding
  • the high-pressure-hot-water atomizing-stage-quantity setting unit computes a quantity of stages of atomizing base pipes capable of atomizing the high pressure hot water for a preset time, based on the estimated and computed high pressure hot water generating rate and the storage amount of high pressure hot water obtained by the high-pressure-hot-water storage-amount obtaining unit, and thereby determines atomizing base pipes that are to atomize the high pressure hot water, and the supply amount setting unit sets the respective supply amounts of the high pressure hot water and the normal temperature water to be supplied to the atomiser, corresponding to the computed quantity of stages of atomizing base pipes.
  • a gas turbine system a control device for a gas turbine system, and a control method for a gas turbine system that can satisfy requirement for increasing output, corresponding to the operational state of a gas turbine system, even in a case that high pressure hot water generated by using solar heat energy cannot be used.
  • FIG. 1 shows the configuration of a gas turbine system in a first embodiment according to the present invention
  • FIG. 2 shows the function block configuration of a control device for the gas turbine system in the first embodiment
  • FIG. 3( a ) illustrates a data map for setting the atomization rate of high pressure hot water with respect to the mega watt demand MWD in using high pressure hot water
  • ( b ) illustrates a data map for setting the atomization rate of normal temperature water with respect to the mega watt demand MWD in using normal temperature water
  • FIG. 4 illustrates the operations of the respective valves and pumps of a high pressure hot water atomizing system using solar heat and a normal temperature water atomizing system in respective cases of a control mode of using high pressure hot water and a control mode of using normal temperature water;
  • FIG. 5 is a flowchart showing the flow of control to determine to select the control mode of using high pressure hot water or the control mode of using normal temperature water, or to determine to not select these controls in the first embodiment;
  • FIG. 6 is the flowchart continued from FIG. 5 ;
  • FIG. 7 illustrates control logic of flow rate adjusting valves 24 B, 29 , and 43 ;
  • FIG. 8 illustrate screens displayed on the display device of the console of the gas turbine system, wherein (a) illustrates an example of a motoring screen and (b) illustrates an example of a screen displaying a status of using solar heat;
  • FIG. 9 shows arrangement of atomizing base pipes provided for the air intake duct of the compressor of a gas turbine system and pipes for supplying high pressure hot water or normal temperature water to the atomizing base pipe in a second embodiment according to the present invention
  • FIG. 10 shows a function block configuration of the control device for the gas turbine system in the second embodiment
  • FIG. 11 is a flowchart showing the flow of control in a control mode of using high pressure hot water in the second embodiment
  • FIG. 12 is the flowchart continued from FIG. 11 ;
  • FIG. 13 is the flowchart continued from FIG. 12 .
  • FIG. 1 shows the configuration of a gas turbine system in the first embodiment according to the present invention.
  • the gas turbine system 500 A is configured, mainly including a gas turbine device 100 A, a solar collector 200 for generating high pressure hot water by collecting solar heat, an atomiser 300 A for atomizing the high pressure hot water generated by the solar collector 200 to intake air 5 and atomizing normal temperature water to the intake air 5 , as necessary, a thermal storage 40 for storing the high pressure hot water generated by the solar collector 200 , maintaining the temperature of the high pressure hot water, a control device 400 A, a weather information receiving device (weather information obtaining unit) 410 , and a power feeding instruction receiving device 411 .
  • a gas turbine device 100 A mainly including a gas turbine device 100 A, a solar collector 200 for generating high pressure hot water by collecting solar heat, an atomiser 300 A for atomizing the high pressure hot water generated by the solar collector 200 to intake air 5 and atomizing normal temperature water to the intake air 5 , as necessary, a thermal storage 40 for storing the high pressure hot water generated by the solar collector 200 , maintaining the temperature of the high pressure hot
  • an air intake duct 6 with a rectangular cross-section.
  • a louver 6 a and further a filter 6 b for removing dusts.
  • atomizing nozzles 32 B for atomizing normal temperature water to the intake air 5 are provided, for example, in a grid form on the downstream side (the compressor 1 side) of the filter 6 b , and an atomizing base pipe 31 B for supplying normal temperature water to the respective atomizing nozzles 32 B.
  • atomizing nozzles 32 A for atomizing high pressure hot water described later to the intake air 5 are provided, for example, in a grid form, on the downstream side (compressor 1 side) of the atomizing nozzles 32 B, and an atomizing base pipe 31 A for supplying high pressure hot water to the respective atomizing nozzles 32 A is provided.
  • the atomiser 300 A is configured.
  • the air intake duct 6 in FIG. 1 is shown as a partial cross-sectional view to show the atomizing base pipe 31 A, the atomizing nozzles 32 A, the atomizing base pipe 31 B, and the atomizing nozzles 32 B.
  • the atomiser 300 A is desirably disposed on the downstream side of the filter 6 b and the silencer with respect to the flow of the intake air 5 .
  • Compressor 1 Combustor 3 , and Gas Turbine 2
  • Intake air 5 under atmospheric conditions is sucked through the air intake duct 6 into the compressor 1 and pressurized by the compressor 1 , and then turns into compressed air 7 to flow into a combustor 3 .
  • the compressed air 7 and fuel 8 supplied through a flow rate adjusting valve 61 are mixed and combusted in the combustor 3 and high temperature combustion gas 9 is generated.
  • the combustion gas 9 flows into a gas turbine 2 to rotationally drive the gas turbine 2 .
  • a generator 4 connected with the gas turbine 2 through a shaft is rotationally driven by the gas turbine 2 to generate power.
  • the combustion gas 9 having driven the gas turbine 2 is emitted from the gas turbine 2 as a combustion emission gas 10 from the gas turbine 2 .
  • the compressor 1 is rotationally driven by a drive shaft 11 of the gas turbine 2 .
  • Water in a water tank 20 for storing normal temperature water is supplied through a pipe 21 A to a pump 22 A, and pressurized by the pump 22 A to be pressure-transferred through a pipe 23 A, a flow rate adjusting valve 24 A, and a pipe 25 A in this order to a solar collecting tube 27 .
  • Solar light from the sun S collected by a light collecting plate 26 is projected to the solar collecting tube 27 .
  • the heat of the solar light collected and projected by the light collecting plate 26 heats the water supplied inside the solar collecting tube 27 so that the water becomes a high pressure hot water.
  • the high pressure hot water inside the solar collecting tube 27 is pressure-transferred through a pipe 28 , a flow rate adjusting valve 29 , and a pipe 30 A in this order to be finally supplied to the above-described atomizing base pipe 31 A.
  • the solar collector 200 can also have, for example, a configuration (parabolic trough solar collector) wherein a curved mirror is disposed as a light collecting plate 26 , along a solar collecting tube 27 , to collect solar light to the solar collecting tube 27 at the position of the linear focal point of the curved mirror, a configuration where a plane mirror is arranged substantially in a V-shape as a light collecting plate 26 and a solar collecting tube 27 is disposed at the part of collecting light by the plane mirror arranged in the V-shape, a configuration where a solar collecting tube 27 is disposed at the focal point of a plane Fresnel lens, or a configuration (dish type solar collector) where plural curved mirrors or plane mirrors as a light collecting plate 26 are disposed in a three dimensional parabolic shape and a disc-shaped solar collecting tube 27 is disposed at the focal point of the parabolic shape.
  • a configuration parabolic trough solar collector
  • a single unit is representatively shown as a solar collector 200 , however, an arrangement is ordinarily made such that a plurality of units are installed by connecting solar collecting tubes 27 serially or in parallel wherein high pressure hot waters generated there join at a pipe 28 .
  • a dish type solar collector and a tower type solar collector arrangement with a single unit is possible.
  • the pipe 28 branches to a pipe 45 directed to a flow rate adjusting valve 41 and is thus connected to the thermal storage 40 .
  • high pressure hot water generated by the solar collecting tube 27 is not atomized into the air intake duct 6 or in case that the generation rate of high pressure hot water is higher than the atomization rate of atomization into the air intake duct 6 , high pressure hot water is stored into the thermal storage 40 through the flow rate adjusting valve 41 .
  • the thermal storage 40 is connected with a pump 42 that sucks stored high pressure hot water from the thermal storage 40 through a pipe 46 . Subsequently, piping is arranged such that the discharging side of the pump 42 is connected to a pipe 47 that is directed to a flow rate adjusting valve 43 so that high pressure hot water stored in the thermal storage 40 joins a pipe 30 A.
  • the pipe 21 A, the pump 22 A, the pipe 23 A, the flow rate adjusting valve 24 A, the pipe 25 A, the solar collecting tube 27 , the pipe 28 , the flow rate adjusting valve 29 , and the pipe 30 A construct ‘the high pressure hot water supply piping using solar heat’ set forth in claims.
  • the pump 42 , the flow rate adjusting valve 43 , and the pipes 46 , 47 construct ‘the thermal storage high pressure hot water supply system’ set forth in claims.
  • the pipe 45 , the flow rate adjusting valve 41 , the thermal storage 40 , the pipe 46 , the pump 42 , the pipe 47 , and the flow rate adjusting valve 43 construct ‘the stored high pressure hot water supply piping’ set forth in claims.
  • Water in the water tank 20 is supplied through the pipe 21 B to the pump 22 B, pressurized by the pump 22 B, and transferred through a pipe 23 B, a flow rate adjusting valve 24 B, and a pipe 30 B in this order to be finally supplied to the above-described atomizing base pipe 31 B.
  • the water tank 20 , the pipes 21 B, 23 B, the pump 22 B, the pipe 30 B, the flow rate adjusting valve 24 B, the atomizing base pipe 31 B, and the atomizing nozzles 32 B construct the ‘normal water atomizing system’ set forth in claims.
  • a water level sensor 151 is provided in the water tank 20 , and a water level signal is transmitted from the water level sensor 151 to the control device 400 A. Then, normal temperature water is replenished through an opening-closing valve 19 , which is an water supply valve operated to open or close by a signal from the control device 400 A, so that an appropriate range of the water level is maintained.
  • the gas turbine system 500 A is provided with various measuring sensors to measure the temperature, the pressure, the flow rate of a fluid, and the power generation amount by the generator 4 , and transmits measured signals to the control device 400 A.
  • the control device 400 A controls driving of the above-described pumps 22 A, 22 B, and 42 and adjusts the opening degrees of the flow rate adjusting valve 19 , 24 A, 24 B, 29 , 43 , and 61 .
  • FIG. 1 shows representative measuring sensors as examples.
  • the outlet side, of the solar collector 200 to be connected with the pipe 28 from the solar collecting tube 27 , is provide with a temperature sensor 141 A for measuring the temperature of the hot water heated by solar heat energy and a pressure sensor 141 B for measuring the pressure of the hot water.
  • a light amount sensor 142 for measuring the irradiation amount of the sun S is provided, and the generation rate of high pressure hot water by the solar collector 200 can be computed by a later-described heat collection amount computing section 427 of the control device 400 A.
  • the pipe 30 A On the upstream side of the meeting point with the pipe 47 , the pipe 30 A is provided with a flow rate sensor 144 A with a built-in temperature sensor and a pressure sensor 144 B, wherein the flow rate sensor 144 A transmits a mass flow rate signal after density correction by temperature from a measured volume flow rate, and the pressure sensor 144 B transmits a measured pressure signal to the control device 400 A.
  • the thermal storage 40 is provided with a water level sensor 145 A, a temperature sensor 145 B, and a pressure sensor 145 C, wherein a water level signal, a temperature signal, and a pressure signal are transmitted to the control device 400 A.
  • the pipe 47 is provided with a flow rate sensor 147 A with a built-in temperature sensor and a pressure sensor 144 B, wherein the flow rate sensor 147 A transmits a mass flow rate signal after density correction by temperature from a measured volume flow rate, and the pressure sensor 147 B transmits a measured pressure signal to the control device 400 A.
  • the pipe 30 B on the downstream side of the flow rate adjusting valve 24 B is provided with a flow rate sensor 152 A with a built-in temperature sensor, a pressure sensor 152 B, and a temperature sensor 152 C, wherein the flow rate sensor 152 A transmits a mass flow rate signal after density correction by temperature from a measured volume flow rate, the pressure sensor 152 B transmits a measured pressure signal, and the temperature sensor 152 C transmits a measured temperature signal respectively to the control device 400 A.
  • the inlet side of the air intake duct 6 is provided with a temperature sensor 143 A, a pressure sensor 143 B, and a humidity sensor 143 C respectively measure the temperature, the pressure, and the humidity of the intake air 5 under the atmospheric conditions, wherein respective measurement signals are transmitted to the control device 400 A.
  • the temperature sensor 143 A, the pressure sensor 143 B, and the humidity sensor 143 C are provided on the outer side of the air intake duct 6 , however, actually, these are installed at positions, on the downstream side of the louver 6 a , which are free from solar light or rain water, and are of course installed on the upstream side of the atomiser 300 A.
  • the temperature sensor 143 A is used particularly for a control in the following case. That is, in a case that the atmospheric temperature is high in summer or the like, if the inlet temperature of the compressor 1 is left under atmospheric conditions, the output that can be taken outside decreases accompanying a drop in the output of the gas turbine 2 , corresponding to a decrease in the intake air flow rate of the compressor 1 due to a drop in the air density.
  • a high pressure hot water or a normal temperature water is atomized into the air intake duct 6 from the atomiser 300 A, and the air temperature at the inlet of the compressor 1 is controlled to thus decrease by the effect of evaporation latent heat.
  • the temperature sensor 143 A is used for this control.
  • the output side of the generator 4 is provided with an output sensor 171 for detecting the power generation amount, and the power generation amount is transmitted to the control device.
  • the gas turbine device 100 A is provided with a pressure sensor 172 A, a temperature sensor 172 B, and a flow rate sensor 172 C which respectively measure the pressure, the temperature, and the volume flow rate of fuel 8 supplied to the combustor 3 , wherein a pressure signal, a temperature signal, and a volume flow rate signal are transmitted to the control device 400 A.
  • These signals are used for opening degree feedback control of a flow rate adjusting valve 61 in a control logic of controlling, by the flow rate adjusting valve 61 , the mass flow rate of fuel supplied to the combustor 3 .
  • the pipe on the outlet side of the compressor 1 is provided with a temperature sensor 173 A, a pressure sensor 173 B, and a flow rate sensor 173 C, which respectively measure the temperature, the pressure, and the flow rate of compressed air pressurized, for example, by the compressor 1 .
  • the emission side of the gas turbine 2 is provided with a temperature sensor 174 and a pressure sensor 174 B for respectively measuring, for example, the temperature of a combustion emission gas or the back-pressure of the gas turbine 2 , wherein a temperature signal and a pressure signal are transmitted to the control device 400 A. These signals are used for, for example, operation monitoring, efficiency monitoring, or the like of the gas turbine device 100 A.
  • the gas turbine device 100 A is further provided with a measuring sensor for operation monitoring of the gas turbine device 100 A, however, description will be omitted because the present invention is not related thereto.
  • sensors for detecting the rotational speed or ON/OFF state of the pumps 22 A, 22 B, and 42 are provided, and valve opening degree sensors for detecting the valve opening degrees of the flow rate adjusting valves 24 A, 24 B, 29 , 41 , 43 , and 61 are also provided, wherein respective signals are input to the control device 400 A.
  • FIG. 2 shows the function block configuration of a control device for the gas turbine system in the first embodiment.
  • the control device 400 A is configured with a control device main body 400 a and a console 400 b .
  • the control device 400 A is, for example, a process computer, and the console 400 b is configured with a display device and an input device.
  • the display device is, for example, a liquid crystal display device, and the input device is, for example, configured with a mouse and a keyboard.
  • the control device main body 400 a includes, for example, an input interface 401 A, an input/output interface 401 B, an output interface 401 C, a CPU 402 , a ROM, a RAM, a hard disk storage device and the like, which are not shown. Programs and data, not shown, stored in the hard disk storage device are read out and executed by the CPU 402 , to thereby realize later-described respective functional configurations.
  • measurement signals (Symbols of sensors are omitted in FIG. 2 .) are input from the above-described various sensors 141 A, 141 B, 142 , 143 A, 143 B, 143 C, 144 A, 144 B, 145 A, 145 B, 145 C, 147 A, 147 B, 151 , 152 A, 152 B, 171 , 172 A, 172 B, 172 C, 173 A, 173 B, 173 C, 174 A, and 174 B.
  • weather information (hereinafter, also referred to as ‘whether forecast information’) from the weather information receiving device 410 , particularly information on variation in the predicted atmospheric temperature and information on variation in the predicted sun light amount are input to the input interface 401 A.
  • a mega watt demand MWD received by the power feeding instruction receiving device 411 is input to the input interface 401 A.
  • the weather information receiving device 410 and the power feeding instruction receiving device 411 communicate with the origin of information, for example, by radio communication or internet connection.
  • An instruction from the above-described input device of the console 400 b is input to the input/output interface 401 B, and the input/output interface 401 B outputs a display output to the above-described display device of the console 400 b.
  • the output interface 401 C outputs opening/closing control signals to the opening-closing valve 19 , which is an on/off valve, outputs an opening degree control signals to the flow rate adjusting valve 24 A, 29 , 41 , 43 , 24 B, and 61 , and outputs a start, stop, and rotational speed control signals to the pump 22 A, 22 B, and 42 .
  • a demand output setting section 420 As functional configurations realized by the CPU 402 , as shown in FIG. 2 , mainly included are a demand output setting section 420 , a control mode switching section (atomization control mode determining unit) 421 , a heat collection amount computing section (high-pressure-hot-water generation-rate obtaining unit) 427 , a plant monitoring section 428 , a high pressure hot water usage control section 430 A, a normal temperature water usage control section 440 A, and a fuel atomization control section 450 .
  • a control mode switching section atomization control mode determining unit
  • a heat collection amount computing section high-pressure-hot-water generation-rate obtaining unit
  • plant monitoring section 428 a plant monitoring section 428
  • a high pressure hot water usage control section 430 A As functional configurations realized by the CPU 402 , as shown in FIG. 2 , mainly included are a demand output setting section 420 , a control mode switching section (atomization control mode determining unit) 421 ,
  • a mega watt demand MWD received by the power feeding instruction receiving device 411 is input to the demand output setting section 420 , and the demand output setting section 420 continuously updates and sets the mega watt demand MWD.
  • a mega watt demand MWD having been updated and set is input to the control mode switching section 421 .
  • the demand output setting section 420 also has a function to change the setting of the mega watt demand MWD, upon an input instruction from the console 400 b .
  • the demand output setting section 420 When the demand output setting section 420 has received an instruction to increase the mega watt demand MWD from the console 400 b , the demand output setting section 420 outputs a notification of having received the requesting instruction and the new mega watt demand MWD to the control mode switching section 421 .
  • the heat collection amount computing section 427 computes the generation rate of high pressure hot water by the solar collector 200 , and inputs the generation rate to the control mode switching section 421 , the plant monitoring section 428 , and the high pressure hot water usage control section 430 A.
  • high pressure hot water For high pressure hot water to be generated by solar energy by the solar collector 200 , it is assumed that the rotational speed of the pump 22 A and the opening degree of the flow rate adjusting valve 24 A are controlled such that the high pressure hot water is generated, for example, in a range 150-200° C., and it is intended that the high pressure hot water with a temperature of 150-200° C. is supplied to the atomizing base pipe 31 A of the atomiser 300 A.
  • conversion into a generation rate of high pressure hot water of 150° C. is defined as high pressure hot water generation rate G WH .
  • the control mode switching section 421 includes a high-pressure-hot-water suppliable-time estimating section 423 and a control mode determining section 435 . Certain signals among sensor signals, which are input to the input interface 401 A, are input to the control mode switching section 421 . Signals that are concretely used will be described in the description of the later-described flowchart in FIGS. 5 and 6 , and description of these signals is omitted here.
  • the high-pressure-hot-water suppliable-time estimating section 423 estimates a suppliable time of high pressure hot water.
  • the high-pressure-hot-water suppliable-time estimating section 423 estimates and computes a required atomization rate Q WHe (t) of high pressure hot water with respect to variation in the weather forecast information, particularly variation in atmospheric temperature T Aire (t), estimates and computes a high pressure hot water generation rate G WHe (t) with respect to variation in the weather forecast information, particularly variation in the sun light amount, and checks whether or not the time length, during which the relationship represented by the following Expression (1) is maintained, exceeds a preset time length TSH, or checks whether or not the following Expression (2) is satisfied. Then, a result is output to a control mode determining section 425 .
  • control mode determining section 425 determines to atomize high pressure hot water by the atomiser 300 A (control node A (see FIG. 4 )), and if not either, the control mode determining section 425 determines to atomize normal temperature water by the atomiser 300 A (control mode B (see FIG. 4 )). In such a manner, the control mode determining section 425 has the high pressure hot water usage control section 430 A and normal temperature water usage control section 440 A execute control of the control mode A or the control mode B.
  • control mode A and the control mode B Details of the control mode A and the control mode B will be described later in the description of FIG. 4 .
  • the high pressure hot water usage control section 430 A controls operation of the pumps 22 A, 42 , according to later-described sub-modes A 1 , A 2 , and A 3 as shown in FIG. 4 , and performs control of the opening degrees of the flow rate adjusting valves 24 A, 29 , 41 , and 43 .
  • the high pressure hot water usage control section 430 A performs control of the atomization rate Q WH of high pressure hot water, corresponding mainly to a signal of atmospheric temperature T Air from the temperature sensor 143 A (see FIG. 1 ) and a mega watt demand MWD, using a data map 430 a.
  • a high pressure hot water control section 430 controls the operation of the pump 22 A and controls the opening degrees of the flow rate adjusting valves 24 A and 41 in a later described sub-mode B 1 as shown in FIG. 4 .
  • a signal as to whether or not to atomize high pressure hot water from the control mode determining section 425 and a signal of the high pressure hot water generation rate from the heat collection amount computing section 427 are input to the high pressure hot water usage control section 430 A.
  • a mega watt demand MWD is input from the demand output setting section 420 , and sensor values from sensors 141 A, 141 B, 142 , 143 A, 143 B, 143 C, 144 A, 144 B, 145 A, 145 B, 145 C, 147 A, and 147 B are input through the input interface 401 A.
  • FIG. 3A illustrates a data map for setting the atomization rate of high pressure hot water with respect to mega watt demand MWD in using high pressure hot water.
  • the horizontal axis represents mega watt demand MWD (unit: MW) and the vertical axis represents atomization rate Q WH (unit: kg/sec) of high pressure hot water.
  • This data map 430 a uses, for example, the atmospheric humidity, the atmospheric pressure, and the high pressure hot water temperature T WH in addition to the atmospheric temperature T Air as parameters.
  • the atmospheric humidity a measurement signal from the humidity sensor 143 C (see FIG. 1 ) is used
  • the high pressure hot water temperature T WH a measured temperature by the temperature sensor 141 A (see FIG. 1 ) is used when high pressure hot water from the solar collector 200 is supplied to the atomiser 300 A (see FIG. 1 ), and the temperature sensor 145 B (see FIG. 1 ) is used when high pressure hot water from the thermal storage 40 (see FIG. 1 ) is supplied to the atomiser 300 A.
  • normal temperature water usage control section 440 A controls the operation of the pump 22 B and controls the opening degree of the flow rate adjusting valve 24 B, according to the later-described sub-mode B 1 shown in FIG. 4 , as necessary, and controls the atomization rate Q WC of normal temperature water, corresponding mainly to a signal of the atmospheric temperature T Air from the temperature sensor 143 A and mega watt demand MWD, using the data map 440 a.
  • sensor values are input via the input interface 401 A from the sensors 143 A, 143 B, 143 C, 152 A, 152 B, and 152 C in addition to mega watt demand MWD from the demand output setting section 420 .
  • FIG. 3( b ) illustrates a data map for setting the atomization rate of normal temperature water with respect to mega watt demand MWD in using normal temperature water.
  • the horizontal axis represents mega watt demand MWD (unit: MW) and the vertical axis represents the atomization rate Q WC (unit: kg/sec) of normal temperature water.
  • This data map 440 a uses, for example, the atmospheric humidity, the atmospheric pressure, and the normal temperature water temperature T WC as parameters, in addition to the atmospheric temperature T Air .
  • a measurement signal from the humidity sensor 143 C is used as the atmospheric humidity among these parameters, and the temperature sensor 152 C (see FIG. 1 ) is used for the normal temperature water temperature T WC .
  • the fuel atomization control section 450 sets a demanded fuel atomizing rate and performs feedback control of a fuel atomization rate Gf, based on sensor signals from the above-described temperature sensor 173 A, the pressure sensor 173 B, and the flow rate sensor 173 C, the mega watt demand MWD, and the power generation output from the output sensor 171 .
  • control of the demanded fuel atomizing rate by the fuel atomization control section 450 is not limited to this control method, and a method of controlling the demanded fuel atomizing rate based on the mega watt demand MWD and sensor signals from other measurement sensors may be applied.
  • the plant monitoring section 428 reads out necessary data from various sensors, generates a monitoring screen indicating the operational state of the gas turbine system 500 A, and displays the screen on the display device of the console 400 b.
  • FIG. 4 illustrates the operations of the respective flow rate adjusting valves and pumps of the high pressure hot water atomizing system using solar heat and the normal temperature water atomizing system in respective cases of the control modes of using high pressure hot water and the control modes of using normal temperature water.
  • the column on the left-end side represents the flow rate adjusting valves 24 A, 29 , 41 , 43 (see FIG. 1 ) of the high pressure hot water atomizing system using solar heat, the flow rate adjusting valve 24 B (see FIG. 1 ) of the normal temperature water adjusting system, the pumps 22 A and 42 (see FIG. 1 ) of the high pressure hot water atomizing system using solar heat, and the pump 22 B (see FIG. 1 ) of the normal temperature water adjusting system.
  • the next right column representing the control mode A of atomizing the above-described high pressure hot water by the atomiser 300 A includes the columns of the sub-mode A 1 of supplying the high pressure hot water to the atomiser 300 A (see FIG.
  • the further right side column representing the control mode B of atomizing normal temperature water without atomizing the above-described high pressure hot water to the atomiser 300 A includes the columns of the sub-mode B 1 of storing high pressure hot water in the thermal storage 40 and the sub-mode B 2 that does not store high pressure hot water in the thermal storage 40 , wherein open/close operational state of the flow rate adjusting valves 24 A, 24 B, 29 , 41 , and 43 and operating/stopping state of the pumps 22 A, 22 B, 42 in the respective sub-modes B 1 and B 2 are shown.
  • description ‘open’ of the respective flow rate adjusting valves 24 A, 24 B, 29 , 41 , and 43 does not refer to a fully open state but refers to a state in which control of the opening degree is performed, in an open state, by the high pressure hot water usage control section 430 A (see FIG. 2 ) or by normal temperature water usage control section 440 A (see FIG. 2 ) of the control device 400 A (see FIG. 1 ).
  • the sub-mode A 1 refers to a sub-mode in which an atomization rate, which is a required demand value computed by the high pressure hot water usage control section 430 A (see FIG. 2 ), of the control device 400 A, for supplying high pressure hot water to the atomiser 300 A and a generation rate of high pressure hot water with a temperature of 150-200° C. generated by the solar collector 200 balance with each other, and high pressure hot water generated by the solar collector 200 is supplied directly to the atomizing base pipe 31 A (see FIG. 1 ) of the atomiser 300 A.
  • This control is performed by the high pressure hot water usage control section 430 A.
  • the rotational speed control of the pump 22 A, the opening degree of the flow rate adjusting valve 24 A, and the opening degree of the flow rate adjusting valve 29 are controlled such that a flow rate signal from the flow rate sensor 144 A and pressure signals from pressure sensors 141 B and 144 B indicate the atomization rate of high pressure hot water corresponding to the current mega watt demand MWD and a certain pressure corresponding to the atomization rate.
  • the sub-mode A 2 refers to a sub-mode in which generation of high pressure hot water with a temperature 150-200° C. generated by the solar collector 200 has a margin with respect to an atomization rate that is a required demand value computed by the high pressure hot water usage control section 430 A of the control device 400 A to supply high pressure hot water to the atomiser 300 A, and accordingly, not only high pressure hot water generated by the solar collector 200 is supplied to the atomizing base pipe 31 A of the atomiser 300 A with the required atomization rate, but also the opening degree of the flow rate adjusting valve 41 is adjusted for marginal high pressure hot water generated by the solar collector 200 such that the required atomization rate indicated by the flow rate sensor 144 A (see FIG. 1 ) and the pressure sensor 144 B (see FIG. 1 ) is maintained.
  • This control is performed by the high pressure hot water usage control section 430 A.
  • the rotation speed control of the pump 22 A and the opening degree of the flow rate adjusting valve 24 A are controlled such that high pressure hot water with a certain temperature (150-200° C.) is generated even when the flow rate in the pipe 28 (see FIG. 1 ) becomes higher than the atomization rate of high pressure hot water corresponding to the current mega watt demand MWD, and the opening degrees of the flow rate adjusting valves 29 , 41 are controlled such that a flow rate signal from the flow rate sensor 144 A and pressure signals from the pressure sensors 141 B, 144 B respectively indicate the atomization rate of high pressure hot water corresponding to the current mega watt demand MWD and a certain pressure corresponding to the atomization rate.
  • the flow rate adjusting valves 24 A, 24 B, 29 , 41 , and 43 in FIG. 1 shows an operational state in the sub-mode A 2 .
  • the sub-mode A 3 refers to a sub-mode in which the generation rate of high pressure hot water with a temperature 150-200° C. generated by the solar collector 200 is insufficient for the atomization rate which is a required demand value computed by the high pressure hot water usage control section 430 A of the control device 400 A to supply high pressure hot water to the atomiser 300 A, and accordingly, not only all of high pressure hot water generated by the solar collector 200 is supplied to the atomizing base pipe 31 A, but also the rotation speed of the flow rate adjusting valve 43 and the opening degree of the flow rate adjusting valve 43 are controlled to increase the atomization rate to cover the shortfall by high pressure hot water stored in the thermal storage 40 , based on measurement signals from the flow rate sensor 147 A (see FIG. 1 ) and the pressure sensor 147 B (see FIG. 1 ). This control is performed by the high pressure hot water usage control section 430 A.
  • a hysteresis is set on the atomization rate of high pressure hot water to be supplied to the atomizing base pipe 31 A of the atomiser 300 A between the sub-mode A 1 and the sub-mode A 3 so that switching control is not performed frequently between the sub-modes A 1 and A 3 .
  • ‘open’ is indicated on the flow rate adjusting valve 43 , as necessary, and ‘operating’ is indicated on the pump 42 , as necessary.
  • the rotational speed control of the pump 22 A and the opening degrees of the flow rate adjusting valves 24 A, 29 are lower than the atomization rate corresponding to the current mega watt demand MWD, however, are controlled so that high pressure hot water with a certain temperature (150-200° C.) is generated at a certain pressure corresponding to the atomization rate of high pressure hot water that is corresponding to the mega watt demand MWD, wherein the opening degree of the flow rate adjusting valve 29 is controlled such that pressure signals from the pressure sensors 141 B and 144 B indicate the certain pressure at the atomization rate of high pressure hot water that is corresponding to the current mega watt demand MWD.
  • the rotational speed control of the pump 42 and the opening degree of the flow rate adjusting valve 43 are controlled such that a signal indicating the flow rate in the pipe 47 (see FIG. 1 ) from the flow rate sensor 147 A becomes the shortage of flow rate in the pipe 28 with respect to the atomization rate of high pressure hot water that is corresponding to the mega watt demand MWD and that the pressure indicated by the pressure sensor 147 B agrees with the pressure indicated by the pressure sensor 144 B, in other words, a certain pressure corresponding to the atomization rate of high pressure hot water that is corresponding to the mega watt demand MWD.
  • the pump 22 B is stopped and the flow rate adjusting valve 24 B is fully closed.
  • a control method is applied in which high pressure hot water generated by the solar collector 200 is all supplied to the pipe 30 A (see FIG. 1 ) and high pressure hot water in the thermal storage 40 is added from the pipe 47 (see FIG. 1 ) into the pipe 30 A, however, an applicable control method is not limited thereto.
  • an arrangement may be made such that while all of a high pressure hot water generated by the solar collector 200 is once stored in the thermal storage 40 through the pipe 45 (see FIG.
  • the pump 42 and the opening degree of the flow rate adjusting valve 43 are controlled so that an atomization rate which is a required demand value computed by the high pressure hot water usage control section 430 A of the control device 400 A to supply high pressure hot water to the atomiser 300 A is supplied to the atomizing base pipe 31 A of the atomiser 300 A through the pipes 47 , 30 A.
  • the flow rate adjusting valve 29 is not in ‘open’ state described in FIG. 4 but in ‘closed’ state.
  • the sub-mode B 1 is a sub-mode in which an atomization rate, which is a required demand value computed by normal temperature water usage control section 440 A of the control device 400 A to supply normal temperature water to the atomiser 300 A, is supplied to the atomizing base pipe 31 B (see FIG. 1 ) of the atomiser 300 A, and also all of high pressure hot water with a temperature 150-200° C. generated by the solar collector 200 is stored in the thermal storage 40 . That is, this is a case that the generation rate of high pressure hot water obtained by the solar collector 200 is lower than an atomization rate that is a required demand value and high pressure hot water has not been stored sufficiently in the thermal storage 40 .
  • control of the pump 22 B (see FIG. 1 ) and the opening degree of the flow rate adjusting valve 24 B related to the atomization control of normal temperature water is performed by normal temperature water usage control section 440 A, while control of storing high pressure hot water in the thermal storage 40 is performed by the high pressure hot water usage control section 430 A.
  • the rotational speed control of the pump 22 B and the opening degree of the flow rate adjusting valve 24 B are controlled such that the flow rate signal from the flow rate sensor 152 A and the pressure signal from the pressure sensor 152 B respectively indicate an atomization rate of normal temperature water corresponding to the current mega watt demand MWD and a certain pressure at this atomization rate.
  • the rotational speed control of the pump 22 A and the opening degrees of the flow rate adjusting valve 24 A, 41 are controlled so that high pressure hot water with a certain temperature (150-200° C.) is generated.
  • the sub-mode B 2 is a sub-mode for supplying only an atomization rate, which is a required demand value computed by normal temperature water usage control section 440 A of the control device 400 A to supply normal temperature water to the atomiser 300 A, to the atomizing base pipe 31 B (see FIG. 1 ) of the atomiser 300 A.
  • the sub-mode B 2 is applied to a case that high pressure hot water cannot be generated by the solar collector 200 (a case that high pressure hot water cannot be generated by insufficient solar heat energy due to cloudy weather or the like, or a case that the solar collector 200 cannot be operated due to inspection or the like).
  • the control of the pump 22 B (see FIG. 1 ) and the opening degree of the flow rate adjusting valve 24 B related to the atomizing control of normal temperature water is performed by normal temperature water usage control section 440 A similarly to the case of the sub-mode B 1 .
  • FIGS. 5 and 6 show a flowchart that shows a flow of control for selecting the control mode of using high pressure hot water or the control mode of using normal temperature water, or not selecting these modes.
  • steps S 01 to S 13 in this flowchart is performed by the high-pressure-hot-water suppliable-time estimating section 423 , the controls in S 14 and S 19 are performed by the control mode determining section 425 , the controls in steps S 15 to S 18 , and S 24 are performed by the high pressure hot water usage control section 430 A, and the control in steps S 20 to S 24 is performed by normal temperature water usage control section 440 A.
  • step S 01 the high-pressure-hot-water suppliable-time estimating section 423 receives a mega watt demand MWD from the demanded output setting section 420 .
  • step S 02 the high-pressure-hot-water suppliable-time estimating section 423 checks whether or not the mega watt demand MWD is larger than or equal to a threshold GPth (‘mega watt demand ⁇ threshold GPth?’). In case that the gas turbine device 100 A (see FIG. 1 ) makes partial output and the mega watt demand is smaller than the threshold GPth, atomizing high pressure hot water and atomizing normal temperature water are unnecessary for an increase in the output, and the above-described checking is a determination for this case.
  • a threshold GPth ‘mega watt demand ⁇ threshold GPth?’
  • step S 03 If the mega watt demand MWD is larger than or equal to the threshold GPth (Yes), the process proceeds to step S 03 , and if not (No), the process proceeds to step S 05 .
  • step S 03 it is checked whether or not the atmospheric temperature T Air indicated by the temperature sensor 143 A (see FIG. 1 ) is higher than or equal to a threshold T Airth (‘atmospheric temperature T Air ⁇ threshold T Airth ?’). If the atmospheric temperature T Air is higher than or equal to the threshold T Airth (Yes), the process proceeds to step S 07 , and if not (No), the process proceeds to step S 04 .
  • step S 304 it is checked whether or not the current output MWOut from the output sensor 171 (see FIG. 1 ) is lower than the mega watt demand MWD by a predetermined threshold s or more. If Yes in step S 04 , the process proceeds to step S 07 , and if No, the process returns to step S 01 .
  • step S 05 it is checked by a signal from the demanded output setting section 420 , whether or not an output increasing request has been made from the console 400 b (see FIG. 2 ). If an output increasing request has been made (Yes), the process proceeds to step S 06 , and if an output increasing request has not been made (No), the process returns to step S 01 . In step S 06 , the mega watt demand MWD is updated by setting, and the process proceeds to step S 07 .
  • a future high pressure hot water generation rate GWHe (t) is estimated and computed to cover a preset time length TSH, based on weather information (weather forecast information) from the weather information receiving device 410 (see FIG. 2 ).
  • weather information weather forecast information
  • the high pressure hot water generation rate G WH having been input from the heat collection amount computing section 427 , the current value of forecasted value of sunlight amount in the weather forecast information and a sunlight amount from the light amount sensor 142 are compared; a correction coefficient on the transition in change in the forecasted value of sunlight amount is computed; the transition of the forecasted value (weather information) of sunlight amount is multiplied by the current high pressure hot water generation rate G WH and the above-described correction coefficient; and a future high pressure hot water generation rate G WHe (t) can thus be estimated and computed.
  • the high pressure hot water generation rate G WHe (t) is herein computed, for example, with conversion to 150° C.
  • step S 08 future atmospheric temperature T Aire (t) is estimated and computed to cover the preset time length TSH, based on the weather information (weather forecast information) from the weather information receiving device 410 .
  • the atmospheric temperature T Air being input from the temperature sensor 143 A, which is currently measuring the atmospheric temperature, and the current value of forecasted value of atmospheric temperature are compared; a correction coefficient on the transition of forecasted value of atmospheric temperature is computed; the transition of the forecasted value (weather information) of atmospheric temperature is multiplied by the above-described correction coefficient; and a future atmospheric temperature T Aire (t) can be thus estimated and computed.
  • step S 08 the process proceeds to step S 09 in FIG. 6 , according to a connector (A).
  • step S 09 transition of required atomization rate Q WHe (t) of high pressure hot water with respect to the future variation in the atmospheric temperature T Aire (t) having been estimated and computed in step S 08 is predicted and computed to cover the preset time length TSH.
  • the atomization rate Q Whe (t) of high pressure hot water is computed, for example, with conversion to 150° C.
  • step S 10 the high pressure hot water generation rate G WHe (t) estimated in step S 07 and the atomization rate Q WHe (t) of high pressure hot water predicted and computed in step S 09 are compared, and a time length T 1 satisfying G WHe (t) ⁇ Q WHe (t) is computed.
  • step S 11 it is checked whether or not T 1 is longer than or equal to the preset time length TSH. If T 1 is longer than or equal to the preset time length TSH (Yes), the process proceeds to step S 14 , and if not (No), the process proceeds to step S 12 .
  • step S 12 an amount S 0 of high pressure hot water currently stored in the thermal storage 40 (see FIG. 1 ) is obtained, for example, in conversion to 150° C., from a water level signal, a temperature signal, and a pressure signal which are output from the water level sensor 145 A, the temperature sensor 145 B, and the pressure sensor 145 C provided in the thermal storage 40 .
  • step S 13 it is checked whether or not the above-described Expression (1) is satisfied. If Yes in step S 13 , the step proceeds to step S 14 , and if No, the process proceeds to step S 19 .
  • step S 14 the control mode determining section 425 sets a mode using high pressure hot water. Then, the setting signal is input to the high pressure hot water usage control section 430 A and normal temperature water usage control section 440 A.
  • the above-described preset time length TSH is a time length having been set in advance by an operator's input via the console 400 b (see FIG. 2 ), and for example, in a case of summer time, the length of a time period in which power consumption by air conditioners increases and power demand increases, wherein the preset time length TSH is, for example, a value of three hours or the like, and can be appropriately set, depending on the season.
  • step S 15 the high pressure hot water usage control section 430 A starts a timer t.
  • step S 16 using the data map 430 a , the high pressure hot water usage control section 430 A performs control of atomizing high pressure hot water, corresponding to an atmospheric temperature T Air , an atmospheric pressure, a humidity, which are measured by the temperature sensor 143 A, the pressure sensor 143 B, and the humidity sensor 143 C, a mega watt demand MWD, and the like ⁇ ‘control of atomizing high pressure hot water, corresponding to atmospheric temperature T Air and the like (control of Q WH )’ ⁇ .
  • this control is performed by the above-described sub-mode A 1 , A 2 , or A 3 in FIG. 4 .
  • step S 17 the fuel atomization control section 450 performs control of the fuel atomization rate Gf. Then, in step S 18 , the high pressure hot water usage control section 430 A checks by the timer t whether or not a preset time length TSH has elapsed. If the preset time length TSH has elapsed (Yes), the process proceeds to step S 24 , and if the preset time length TSH has not elapsed (Yes), the process returns to step S 16 .
  • control mode determining section 425 sets a mode of using normal temperature water. Then, the setting signal is input to the high pressure hot water usage control section 430 A and normal temperature water usage control section 440 A.
  • step S 20 the high pressure hot water usage control section 430 A starts the timer t.
  • step S 21 using the data map 440 a , normal temperature water usage control section 440 A performs control of atomizing normal temperature water, corresponding to an atmospheric temperature T Air , an atmospheric pressure, a humidity, a mega watt demand MWD, and the like which are measured by the temperature sensor 143 A, the pressure sensor 143 B, and the humidity sensor 143 C ⁇ ‘control of atomizing normal temperature water, corresponding to atmospheric temperature T Air etc. (control of Q WC )’ ⁇ .
  • the high pressure hot water usage control section 430 A performs control to generate high pressure hot water and store the high pressure hot water in the thermal storage 40 or performs control not to generate high pressure hot water, depending on the situation.
  • this control is performed by the above-described sub-mode B 1 or B 2 in FIG. 4 .
  • step S 22 the fuel atomization control section 450 performs control of the fuel atomization rate Gf.
  • step S 23 normal temperature water usage control section 440 A checks whether or not the preset time length TSH has elapsed by the timer t. If the preset time length TSH has elapsed (Yes), the process proceeds to step S 24 , and if the preset time length TSH has not elapsed (Yes), the process returns to step S 21 .
  • step S 24 the high pressure hot water usage control section 430 A or the normal temperature water usage control section 440 A terminates the control mode of atomizing high pressure hot water or normal temperature water.
  • the flow rate adjusting valves 24 B, 29 , and 43 having been opened are closed and the pumps 22 B and 42 having been operated are stopped so that fluid is not supplied to the atomizing base pipe 31 A nor the atomizing base pipe 31 B.
  • Step S 12 of the flowchart corresponds to ‘high-pressure-hot-water storage-amount obtaining unit’ in claims.
  • FIG. 7 illustrates control logic of flow rate adjusting valves 24 B, 29 , and 43 , which are omitted in FIG. 2 .
  • a demanded pressure value and a measured pressure value are input to a subtractor 601 so that the subtractor 601 computes a deviation; the deviation computed by the subtractor 601 is multiplied by a certain gain value by a flow rate adjusting gain section 602 so that an increased or decreased value of flow rate is computed; and the computed increased or decreased value of flow rate is input to an adder 604 .
  • a demanded flow rate value and a measured flow rate value are input to the subtractor 603 so that the subtractor 603 computes a deviation, and the computed deviation is input to the adder 604 .
  • the adder 604 adds the increased or decreased value of flow rate computed by the flow rate adjusting gain section 602 and the deviation computed by the subtractor 603 , and a result is input to a PI control section 605 .
  • the PI control section 605 sets and outputs valve opening degrees. Thus, the opening degrees of the flow rate adjusting valves 24 B, 29 , and 43 can be easily controlled.
  • FIG. 8 illustrates screens displayed on the display device of the console of the gas turbine system, wherein (a) illustrates an example of a motoring screen and (b) illustrates an example of a screen displaying the status of using solar heat.
  • FIG. 8( a ) an outline system diagram of the gas turbine system 500 A shown in FIG. 1 is displayed on the plant monitoring screen 801 .
  • the outline system diagram elements are shown with the same reference symbols as those in FIG. 1 and description overlapping with the description of FIG. 1 will be omitted.
  • the plant monitoring section 428 is provided with a heat collection amount display field 830 indicated as ‘heat collection amount’, a water level display section 831 for the water tank 20 indicated as ‘water level’, a high pressure hot water amount display field 832 for the thermal storage 40 indicated as ‘high pressure hot water amount’, an output display field 833 indicated as ‘power generation amount’, and a high pressure hot water suppliable time display field 834 indicated as ‘high pressure hot water maintainable time’.
  • a value displayed in the heat collection amount display field 830 represents a high pressure hot water generation rate (kg/sec) computed by the heat collection amount computing section 427 . This value is displayed, for example, in conversion to 150° C.
  • a water level is displayed as the water level (unit: m) itself of the water tank 20 or as the stored water amount (unit: ton) of the tank.
  • a high pressure hot water amount is displayed as the storage amount (unit: ton) of high pressure hot water converted, for example, to high pressure hot water with a temperature of 150° C.
  • a power generation amount is displayed as the output (unit: MWe) that is currently generated by the generator 4 and detected by the output sensor 171 for detecting the power generation amount.
  • a high pressure hot water maintainable time represents a result computed by the high-pressure-hot-water suppliable-time estimating section 423 in the control shown in the flowchart in FIGS. 5 to 7 .
  • these parameters are displayed as enthalpy and density of hot water with a temperature of 150° C. converted from a result of ‘volume ⁇ enthalpy’, for unified display in a high pressure hot water state at a temperature of 150° C.
  • control device 400 A displays operational status of a plant, such as a time length for which high pressure hot water can be supplied and a usage status of solar heat, and thereby assists plant monitoring by the operator with an advantage of reducing monitoring labor.
  • the high pressure hot water which decreases the inlet temperature of intake air of the compressor 1 , is atomized from the atomizing nozzles 32 A (see FIG. 1 ) of the atomizing base pipe 31 A of the atomiser 300 A, the high pressure hot water is completely evaporated by flashing, which does not generate liquid droplets having bad effects that causes erosion of the compressor 1 .
  • output of the gas turbine system 500 A can be improved without increasing the amount of CO 2 , which is a greenhouse effect gas, and a gas turbine system 500 A which is desirable in terms of environment conservation can be provided.
  • the generation rate of high pressure hot water by the solar collector 200 also varies.
  • a function to respond to variation in the generation rate of high pressure hot water caused by variation in the solar radiation amount during a day That is, on a day or in a time period in which the solar radiation amount is high, it is possible to store surplus high pressure hot water in the thermal storage 40 , and use the high pressure hot water stored in the thermal storage 40 on a day or in a time period in which the solar radiation amount is low.
  • the solar radiation is low and high pressure hot water is not stored in the thermal storage 40 , it is possible to pressure-feed normal temperature water in the water tank 20 and atomize the normal temperature water from the atomizing nozzles 32 B (see FIG. 1 ) of the atomizing base pipe 31 B of the atomiser 300 A.
  • the advantage of increasing the output can be obtained. For example, even at night time, in case that the value of the mega watt demand MWD of generation power is high at sultry night, it is possible to obtain the advantage of increasing the output by atomizing normal temperature water.
  • atomization to intake air can be performed with normal temperature water by issuing an instruction, from the console 400 b (see FIG. 2 ) to the control mode switching section 421 , that only the sub-mode B 2 of using normal temperature water is operable and thus sets control so that the other sub-modes A 1 -A 3 , nor B 1 cannot be used.
  • the gas turbine system 500 A is installed in an environment where sand or dust tends to scatter, such as in the Middle East, cleaning of the solar collector 200 is necessary. Even during a time for maintenance in such a case, a drop in the output of the gas turbine system 500 A can be reduced by cooling the intake air of the compressor 1 .
  • the control mode A of atomizing high pressure hot water or the control mode B of atomizing normal temperature water is selected by the control mode determining section 425 .
  • Piping systems to be used are different between a case of atomizing high pressure hot water and a case of atomizing normal temperature water. Accordingly, if the two modes are frequently switched to each other, it causes disturbance, which is undesirable in terms of operation of the gas turbine system 500 A.
  • the control mode determining section 425 determines the control mode A or the control mode B, and switching between the control modes A and B can be thereby inhibited for the preset time (TSH).
  • TSH preset time
  • a high pressure hot water generation rate G WH an atmospheric temperature T Air measured by the temperature sensor 143 A, and a high pressure hot water atomization rate Q WH required based on the atmospheric temperature T Air , which are values at a time when the process has proceeded to step S 07 , and assuming that these values last for the time length TSH, these values may be used for computation, taking the place of the high pressure hot water generation rate G WHe (t), the atmospheric temperature T Aire (t), and the high pressure hot water atomization rate Q WHe (t). Further, in this case, the value of TSH is preferably set to a shorter time length, one hour for example, to make it possible to follow variation in the sunlight amount.
  • an arrangement has been made such that there are provided a thermal storage 40 and a thermal-storage high-pressure-hot-water supply system that supplies high pressure hot water stored in the thermal storage 40 to the atomizing nozzles 32 A of the atomizing base pipe 31 A for atomizing the high pressure hot water into the intake air taken in by the compressor 1 , however, the invention is not limited thereto.
  • An arrangement may be made such that the thermal storage 40 is not provided and mere high pressure hot water generated by the solar collector 200 is supplied to the atomizing nozzles 32 A of the atomizing base pipe 31 A through the flow rate adjusting valve 29 and the pipe 30 A.
  • the high-pressure-hot-water suppliable-time estimating section 423 of the control device 400 A predicts and computes a time length for which the solar collector 200 satisfies a predetermined high pressure hot water atomization rate, from the current generation rate of high pressure hot water by the solar collector 200 , or also taking into account of future variation in the generation rate of high pressure hot water by the solar collector 200 , and the high-pressure-hot-water suppliable-time estimating section 423 determines whether or not the predicted and computed time exceeds the preset time length TSH.
  • a control mode is output by a signal to the control mode determining section 425 so that if the time length satisfying the certain high pressure hot water atomization rate exceeds the preset time length TSH, control by the sub-mode A 1 (see FIG. 4 ) of supplying high pressure hot water from the solar collector 200 to the atomizing base pipe 31 A of the atomiser 300 A is set, and if not, control by the sub-mode B 2 (see FIG. 4 ) of supplying normal temperature water to the atomizing base pipe 31 B of the atomiser 300 A is set.
  • control modes A and B in FIG. 4 respectively include only the sub-modes A 1 and B 2 .
  • a gas turbine system 500 B in a second embodiment according to the present invention will be described, referring to FIGS. 9 to 13 .
  • Difference from the first embodiment is that the gas turbine device 100 A is replaced by a gas turbine device 100 B and the control device 400 A is replaced by a control device 400 B.
  • the gas turbine device 100 B is different in that an atomiser 300 B for atomizing high pressure hot water or normal temperature water into an air intake duct 6 is provided instead, and is configured the same as the gas turbine device 100 A in other points.
  • FIG. 9 shows arrangement of atomizing base pipes provided for the air intake duct of the compressor of the gas turbine system and pipes for supplying high pressure hot water or normal temperature water to the atomizing base pipe in the second embodiment according to the present invention.
  • atomizing base pipes 31 are arranged in n stages as represented by reference symbols 31 _ 1 , 31 _ 2 , 31 _ 3 , . . . , and 31 — n from the compressor 1 inlet side of an air intake duct 6 toward the upstream side along the flow of intake air. The distances between the respective stages along the direction of the intake air are desirable equal.
  • atomizing nozzles 32 _ 1 . 32 _ 2 , 32 _ 3 , . . . , and 32 — n are provided with respective atomizing nozzles 32 _ 1 . 32 _ 2 , 32 _ 3 , . . . , and 32 — n in a plural number in a grid form.
  • These atomizing nozzles 32 _ 1 . 32 _ 2 , 32 _ 3 , . . . , and 32 — n in the plural number are desirably disposed with deviation from each other rather than being disposed at the same positions on a cross-sectional plane perpendicular to the flow of the intake air.
  • a pipe 30 A is connected with the respective atomizing base pipes 31 _ 1 , 31 _ 2 , 31 _ 3 , . . . , and 31 — n through opening-closing valves (switching units) 71 _ 1 , 71 _ 2 , 71 _ 3 , . . . , and 71 — n , which are on-off valves, and a pipe 30 B is also connected with the respective atomizing base pipes 31 _ 1 , 31 _ 2 , 31 _ 3 , . . .
  • opening-closing valves switching units
  • 73 _ 1 , 73 _ 2 , 73 _ 3 , . . . , and 73 — n which are on-off valves.
  • the opening-closing valves 71 _ 1 , 71 _ 2 , 71 _ 3 , . . . , 71 — n , 73 _ 1 , 73 _ 2 , 73 _ 3 , . . . , and 73 — n are provided with valve on-off detecting sensors for detecting ON/OFF states of the respective valves, the detected ON/OFF states being input to the control device 400 B.
  • FIG. 10 shows a function block configuration of the control device for the gas turbine system in the second embodiment.
  • the control device 400 B in the present embodiment is different from the control device 400 A in the first embodiment in that when the generation rate of high pressure hot water by the solar collector 200 or the amount of high pressure hot water stored in the thermal storage 40 is insufficient for the required preset time length TSH for continuous atomizing high pressure hot water, the control device 400 B performs control to atomize a certain amount of high pressure hot water from the atomiser 300 B into the air intake duct 6 and atomize normal temperature water to cover the shortage.
  • a control device main body 400 a includes, for example, an input interface 401 A, an input/output interface 401 B, an output interface 401 C, a CPU 402 , a ROM, a RAM, a hard disk storage device and the like, which are not shown. Programs and data, not shown, stored in the hard disk storage device are read out and executed by the CPU 402 , to thereby realize later-described respective functional configurations.
  • Measurement signals are input to the input interface 401 A from the various kinds of sensors, which are the same as those described above in the first embodiment in FIG. 1 , and further, signals from the valve ON-OFF detection sensors for detecting ON-OFF states of the above-described opening-closing valves 71 _ 1 , 71 _ 2 , 71 _ 3 , . . . , 71 — n , 73 _ 1 , 73 _ 2 , 73 _ 3 , . . . , and 73 — n are also input.
  • An output interface 401 C outputs opening-closing control signals to the opening-closing valve 19 (see FIG. 1 ) and the on-off valves 71 _ 1 , 71 _ 2 , 71 _ 3 , . . . , 71 — n , 73 _ 1 , 73 _ 2 , 73 _ 3 , . . . , and 73 — n , which are on-off valves, outputs opening degree control signals to flow rate adjusting valves 24 A, 29 , 41 , 43 , 24 B, and 61 (see FIG. 1 ), and outputs control signals of starting, stopping, and rotational speed to the pumps 22 A, 22 B, and 42 (see FIG. 1 ).
  • a demanded output setting section 420 As functional configurations of the CPU 402 , as shown in FIG. 10 , mainly included are a demanded output setting section 420 , a high-pressure-hot-water suppliable-time estimating section (high-pressure-hot-water atomizing-stage-quantity setting unit) 424 , a high-pressure-hot-water-using atomizing-base-pipe-quantity determining section (high-pressure-hot-water atomizing-stage-quantity setting unit) 426 , a heat collection amount computing section (high-pressure-hot-water generation-rate obtaining unit) 427 , a plant monitoring section 428 , a high pressure hot water usage control section (supply amount setting unit) 430 B, a normal temperature water usage control section (supply amount setting unit) 440 B, and a fuel atomization control section 450 .
  • a demanded output setting section 420 As functional configurations of the CPU 402 , as shown in FIG. 10 , mainly included are a
  • the heat collection amount computing section 427 computes the generation rate of high pressure hot water by the solar collector 200 , and inputs the computed generation rate to the high-pressure-hot-water suppliable-time estimating section 424 , the plant monitoring section 428 , and the high pressure hot water usage control section 430 B.
  • the high-pressure-hot-water suppliable-time estimating section 424 computes a high pressure hot water suppliable time length TSHX on the assumption that all of high pressure hot water is supplied to the atomiser 300 B and then atomized, based on a high pressure hot water generation rate G WHe (t) by the solar collector 200 predicted from weather information, a high pressure hot water amount St 0 stored in the thermal storage 40 , and an atomization rate Q WHe (t) of high pressure hot water as a predicted value that is mainly defined by a required mega watt demand MWD and an atmospheric temperature T Air (t) predicted from weather information.
  • the high-pressure-hot-water-using atomizing-base-pipe-quantity determining section 426 sets a quantity p of stages of atomizing base pipes 31 enabling continuous atomizing of high pressure hot water for the preset time length TSH by atomizing high pressure hot water from the atomiser 300 B for a part of a required high pressure hot water atomization rate, and inputs the quantity p to the high pressure hot water usage control section 430 B and the normal temperature water usage control section 440 B.
  • the high pressure hot water usage control section 430 B performs control of atomizing high pressure hot water, according to the quantity p of stages of atomizing base pipes 31 for atomizing high pressure hot water, the quantity p having been input from the high-pressure-hot-water-using atomizing-base-pipe-quantity determining section 426 , according to parameters such as the current atmospheric temperature T Air , and using a quantity of stages of atomizing base pipes of the maximum quantity p or a smaller quantity of stages, depending on the capacity of the atomization rate FA per stage of the atomizing base pipes 31 .
  • the atomization rate FA is a value (unit: kg/sec) determined in advance by the shape of the atomizing holes of the atomizing nozzles 32 of the atomizing base pipes 31 and the number of atomizing nozzles 32 , and is set and determined in advance such that liquid droplets become evaporated or small enough by flashing when high pressure hot water is atomized.
  • the normal temperature water usage control section 440 B performs control to atomize normal temperature water from the atomiser 300 B by setting the quantity of atomizing base pipes 31 , corresponding to the capacity of the atomization rate FB per stage of the atomizing base pipes 31 , so as to atomize normal temperature water that is corresponding to the shortage with the atomization rate Q WH of high pressure hot water that is atomized under control by the high pressure hot water usage control section 430 B.
  • the atomization rate FB is a value (unit: kg/sec) determined in advance by the shape of the atomizing holes of the atomizing nozzles 32 of the atomizing base pipes 31 and the quantity of atomizing nozzles 32 , and is set and determined in advance as a value at which liquid droplets are not excessively large nor freezed when normal temperature water is atomized.
  • the normal temperature water usage control section 440 B performs operational control in the sub-mode B 2 in parallel.
  • FIGS. 11 to 13 show a flowchart representing the flow of control of control modes of using high pressure hot water in the second embodiment.
  • steps S 01 to S 05 , steps S 31 to S 38 , S 57 , and S 58 are performed by the high-pressure-hot-water suppliable-time estimating section 424 .
  • Steps S 39 to S 41 are controlled by the high-pressure-hot-water-using atomizing-base-pipe-quantity determining section 426 .
  • Steps S 42 to S 44 , S 46 , and S 47 to S 51 are controlled by the high pressure hot water usage control section 430 B.
  • Steps S 52 to S 54 , and S 56 are controlled by the normal temperature water usage control section 440 A.
  • Steps S 01 to S 05 in FIG. 11 are the same as those in the first embodiment, and description of these will be omitted.
  • ‘the high-pressure-hot-water suppliable-time estimating section 423 ’ should be read as ‘high-pressure-hot-water suppliable-time estimating section 424 ’, and if Yes in steps S 03 , S 04 , or S 05 , the process proceeds to step S 31 .
  • step S 31 the high-pressure-hot-water suppliable-time estimating section 424 starts the timer t.
  • step S 33 based on weather information (weather forecast information) from the weather information receiving device 410 (see FIG. 10 ), the high-pressure-hot-water suppliable-time estimating section 424 estimates and computes high pressure hot water generation rate G WHe (t) up to the time when the timer t becomes TSH.
  • the high pressure hot water generation rate G WH having been input from the heat collection amount computing section 427 , the current value of forecasted value of sunlight amount of the weather forecast information and the sunlight amount from the light amount sensor 142 are compared; a correction coefficient on the transition of forecasted value of sunlight amount is computed; the transition of forecasted value (weather information) of sunlight amount is multiplied by the current high pressure hot water generation rate G WH and the above-described correction coefficient; and a future high pressure hot water generation rate G WHe (t) can thus be estimated and computed.
  • the high pressure hot water generation rate G WHe (t) is computed, for example, with conversion to 150° C.
  • step S 04 future atmospheric temperature T Aire (t) is estimated and computed up to the time when the timer t becomes TSH, based on the weather information (weather forecast information) from the weather information receiving device 410 .
  • the atmospheric temperature T Air being input from the temperature sensor 143 A, which is currently measuring the atmospheric temperature, and the current value of forecasted value of atmospheric temperature of the weather forecast information are compared; a correction coefficient on the transition of forecasted value of atmospheric temperature is computed; the transition of forecasted value (weather information) of atmospheric temperature is multiplied by the above-described correction coefficient; and a future atmospheric temperature T Aire (t) can be thus estimated and computed.
  • step S 35 transition of high pressure hot water atomization rate Q WHe (t), which is required by a mega watt demand MWD, with respect to the future variation in atmospheric temperature T Aire (t) having been estimated and computed in step S 34 is predicted and computed up to the time when the timer t becomes TSH. Subsequent to step S 35 , the process proceeds to step S 36 in FIG. 12 , according to a connector (B).
  • the high pressure hot water atomization rate Q WHe (t) is computed, for example, with conversion to 150° C.
  • step S 36 a high pressure hot water amount St 0 currently stored in the thermal storage 40 (see FIG. 1 ) is obtained, for example, with conversion to 150° C., from a water level signal, a temperature signal, and a pressure signal from the water level sensor 145 A (see FIG. 1 ), the temperature sensor 145 B (see FIG. 1 ), and the pressure sensor 145 C (see FIG. 1 ) provided in the thermal storage 40 .
  • step S 37 it is checked whether or not the following Expression (3) is satisfied. If Yes in step S 37 , the process proceeds to step S 41 , and if No, the process proceeds to step S 38 .
  • step S 38 the maximum TSHX satisfying the following Expression (4) is computed.
  • step S 39 the high-pressure-hot-water-using atomizing-base-pipe-quantity determining section 426 computes the maximum integer p satisfying p ⁇ (TSHX)/(TSH) ⁇ n.
  • n is the quantity n of stages of all the atomizing base pipes 31 described above.
  • step S 40 the high-pressure-hot-water-using atomizing-base-pipe-quantity determining section 426 performs setting such that atomizing base pipes 31 in p stages counted from the compressor 1 side use high pressure hot water and the atomizing base pipes 31 in the remaining (n ⁇ p) stages can use normal temperature water.
  • the high-pressure-hot-water-using atomizing-base-pipe-quantity determining section 426 inputs the quantity p of stages of atomizing base pipes 31 to the high pressure hot water usage control section 430 B, and inputs the quantity (n ⁇ p) of stages of atomizing base pipes 31 to the normal temperature water usage control section 440 B.
  • step S 40 the process proceeds to step S 47 in FIG. 13 , according to a connector (D).
  • step S 41 the atomizing base pipes 31 in all stages n are set to be able to atomize high pressure hot water.
  • the high-pressure-hot-water-using atomizing-base-pipe-quantity determining section 426 inputs the quantity n of stages of atomizing base pipes 31 to the high pressure hot water usage control section 430 B, and inputs a quantity 0 of stages of atomizing base pipes 31 to the normal temperature water usage control section 440 B.
  • step S 41 the process proceeds to step S 42 in FIG. 13 , according to a connector (C).
  • step S 42 using the data map 430 a , the high pressure hot water usage control section 430 B computes and sets an atomization rate Q WH of high pressure hot water that is corresponding to an atmospheric temperature T Air , an atmospheric pressure, a humidity, which are measured by the temperature sensor 143 A, the pressure sensor 143 B, and the humidity sensor 143 C, a mega watt demand MWD, and the like ⁇ ‘setting an atomization rate Q WC of high pressure hot water, corresponding to the current atmospheric temperature T Air etc.’ ⁇ .
  • step S 44 the high pressure hot water usage control section 430 B controls the atomization rate Q WH . Concretely, this control is performed in one of the sub-modes A 1 , A 2 , and A 3 in FIG. 4 described above.
  • step S 45 the fuel atomization control section 450 controls the fuel atomization rate Gf.
  • step S 46 control in steps S 44 and S 45 is held for a certain time ⁇ t. The certain time ⁇ t is approximately 10 to 30 minutes. Subsequent to step S 46 , the process proceeds to step S 57 .
  • step S 48 using the data map 430 a , the high pressure hot water usage control section 430 B computes an atomization rate Q WH of high pressure hot water, corresponding to an atmospheric temperature T Air , an atmospheric pressure, a humidity, which are measured by the temperature sensor 143 A, the pressure sensor 143 B, and the humidity sensor 143 C, a mega watt demand MWD, and the like ⁇ ‘computing an atomization rate Q WC of high pressure hot water, corresponding to the current atmospheric temperature T Air etc.’ ⁇ .
  • step S 49 it is checked whether Q WH ⁇ Q WH′ . If Yes in step S 49 , the process proceeds to step S 50 , and Q WH′ is set as the atomization rate of high pressure hot water.
  • step S 52 the normal temperature water usage control section 440 B computes a normal temperature water atomization rate Q WC , converting the shortage of the high pressure hot water atomization rate with respect to the current atmospheric temperature T Air and the like into an atomization rate of normal temperature water.
  • the atomization rate by the difference between the high pressure hot water atomization rate Q WH having been computed in step S 48 and the atomization rate Q WH (actually atomization rate Q WH′ ) having been set in steps S 47 and S 50 is converted for normal temperature water, and thus a normal temperature water atomization rate Q WC is computed.
  • step S 54 the high pressure hot water usage control section 430 B controls atomization rate Q WH , and the normal temperature water usage control section 440 B controls the atomization rate Q WC (control of atomization rates Q WH and Q WC ).
  • step S 55 the fuel atomization control section 450 controls fuel atomization rate Gf.
  • step S 56 the control in steps S 54 and S 55 is held for the certain time ⁇ t. Subsequent to step S 56 , the process proceeds to step S 57 .
  • step S 33 in FIG. 11 If t 0 has become longer than or equal to the preset time length TSH (Yes), control of atomizing high pressure hot water or normal temperature water is terminated, and if not (No), the process returns to step S 33 in FIG. 11 , according to a connector (E), to continue control of atomizing high pressure hot water or normal temperature water.
  • the operator operates the high-pressure-hot-water suppliable-time estimating section 424 and the high-pressure-hot-water-using atomizing-base-pipe-quantity determining section 426 at an arbitrary timing.
  • control can be performed such that high pressure hot water generated by solar heat is used as soon as possible, and occurrence of loss accompanying thermal radiation can be reduced by storing high pressure hot water in the thermal storage 40 .
  • the high-pressure-hot-water suppliable-time estimating section 424 and the high-pressure-hot-water-using atomizing-base-pipe-quantity determining section 426 compute the quantity of stages of atomizing base pipes 32 that can atomize high pressure hot water to cover a preset time ⁇ t, and determine atomizing nozzles 32 which are controlled to atomize high pressure hot water.
  • the high pressure hot water usage control section 430 B sets a supply amount of high pressure hot water to be supplied to the atomiser 300 B, corresponding to the computed quantity of stages of atomizing base pipes controlled to atomize high pressure hot water. Further, the normal temperature water usage control section 440 B sets a supply amount of normal temperature water in case that the supply amount of high pressure hot water to be supplied to the atomiser 300 B is insufficient.

Landscapes

  • Engineering & Computer Science (AREA)
  • Chemical & Material Sciences (AREA)
  • Combustion & Propulsion (AREA)
  • Mechanical Engineering (AREA)
  • General Engineering & Computer Science (AREA)
  • Life Sciences & Earth Sciences (AREA)
  • Sustainable Development (AREA)
  • Sustainable Energy (AREA)
  • Heat-Pump Type And Storage Water Heaters (AREA)
  • Engine Equipment That Uses Special Cycles (AREA)
US13/817,956 2010-09-30 2010-09-30 Gas turbine system, control device for gas turbine system, and control method for gas turbine system Expired - Fee Related US8978386B2 (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
PCT/JP2010/067182 WO2012042655A1 (ja) 2010-09-30 2010-09-30 ガスタービンシステム、ガスタービンシステムの制御装置及びガスタービンシステムの制御方法

Publications (2)

Publication Number Publication Date
US20130174549A1 US20130174549A1 (en) 2013-07-11
US8978386B2 true US8978386B2 (en) 2015-03-17

Family

ID=45892159

Family Applications (1)

Application Number Title Priority Date Filing Date
US13/817,956 Expired - Fee Related US8978386B2 (en) 2010-09-30 2010-09-30 Gas turbine system, control device for gas turbine system, and control method for gas turbine system

Country Status (5)

Country Link
US (1) US8978386B2 (de)
EP (1) EP2623742B1 (de)
JP (1) JP5400969B2 (de)
CN (1) CN103069131B (de)
WO (1) WO2012042655A1 (de)

Cited By (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US20130139517A1 (en) * 2010-08-27 2013-06-06 Hitachi, Ltd. Solar Assisted Gas Turbine System
US20130192193A1 (en) * 2010-09-30 2013-08-01 Hitachi ,Ltd. Solar Assisted Combined Cycle Power Plant
US20150033760A1 (en) * 2012-02-24 2015-02-05 Mitsubishi Httachi Power Systems, Ltd. Solar Assisted Gas Turbine System
US20230052951A1 (en) * 2020-01-29 2023-02-16 Siemens Energy Global GmbH & Co. KG System comprising thermal accumulator, method for operating same, and method for modifying same
US20230228251A1 (en) * 2020-06-09 2023-07-20 Xinjiang Goldwind Science & Technology Co., Ltd. Cooling system and wind-driven generator system

Families Citing this family (9)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP5615692B2 (ja) * 2010-12-28 2014-10-29 川崎重工業株式会社 太陽熱複合発電設備の発電量算定方法および装置
WO2012105053A1 (ja) * 2011-02-04 2012-08-09 株式会社日立製作所 ガスタービン発電プラントの制御装置
WO2012120555A1 (ja) * 2011-03-07 2012-09-13 株式会社 日立製作所 太陽熱利用ガスタービンシステム
AU2013311710A1 (en) * 2012-09-10 2015-03-26 Hse Hitit Solar Enerji Anonim Sirketi A solar energy system
ES2480915B1 (es) 2012-12-28 2015-04-16 Abengoa Solar New Technologies S.A. Planta híbrida de ciclo combiando solar-gas y método de funcionamiento
JP6180145B2 (ja) * 2013-03-26 2017-08-16 三菱日立パワーシステムズ株式会社 吸気冷却装置
CN105757763A (zh) * 2016-04-25 2016-07-13 中节能先导城市节能有限公司 一种复合型清洁能源集中供能、供生活热水及供电系统
JP2023104520A (ja) * 2022-01-18 2023-07-28 日立Ｇｅニュークリア・エナジー株式会社 原子力プラントおよびタービン装置
CN117366889B (zh) * 2023-12-06 2024-02-20 胜利油田胜兴集团有限责任公司 基于压力控制的热管式太阳能监测预警系统

Citations (17)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US5398497A (en) * 1991-12-02 1995-03-21 Suppes; Galen J. Method using gas-gas heat exchange with an intermediate direct contact heat exchange fluid
WO1998048159A1 (fr) 1997-04-22 1998-10-29 Hitachi, Ltd. Installation de type turbine a gaz
JP2000345857A (ja) 1999-06-04 2000-12-12 Heishoku Boku 低温蒸気利用リパワリングシステム
JP2001214757A (ja) 2000-01-27 2001-08-10 Hitachi Ltd ガスタービン設備
US6981360B2 (en) * 2001-04-09 2006-01-03 Hitachi, Ltd. Gas turbine power generator having humidifying and cooling means
JP2008039367A (ja) 2006-08-10 2008-02-21 Kawasaki Heavy Ind Ltd 太陽熱発電設備および熱媒体供給設備
US7520137B2 (en) * 2002-12-02 2009-04-21 Alstom Technology Ltd Method of controlling the injection of liquid into an inflow duct of a prime mover or driven machine
JP2009174542A (ja) 2009-05-11 2009-08-06 Hitachi Ltd 高湿分ガスタービン設備
US7712301B1 (en) * 2006-09-11 2010-05-11 Gas Turbine Efficiency Sweden Ab System and method for augmenting turbine power output
US20100154781A1 (en) 2008-12-22 2010-06-24 General Electric Company System and method for heating a fuel using a solar heating system
US8006499B2 (en) * 2007-03-19 2011-08-30 Hitachi, Ltd. Humid air turbine, humid air turbine control system, and humid air turbine control method
WO2012025967A1 (ja) 2010-08-27 2012-03-01 株式会社 日立製作所 太陽熱利用ガスタービンシステム
WO2012042652A1 (ja) 2010-09-30 2012-04-05 株式会社日立製作所 ガスタービンシステム及びその制御方法
WO2012042638A1 (ja) 2010-09-30 2012-04-05 株式会社日立製作所 太陽熱利用ガスタービンプラント
WO2012042639A1 (ja) 2010-09-30 2012-04-05 株式会社日立製作所 太陽熱利用コンバインドサイクル発電プラント
WO2012042628A1 (ja) 2010-09-30 2012-04-05 株式会社日立製作所 ガスタービン発電装置、ガスタービン発電システムおよびその制御方法
US8151549B2 (en) * 2007-08-07 2012-04-10 Hitachi, Ltd. High humidity gas turbine equipment

Family Cites Families (8)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPH08284685A (ja) * 1995-04-10 1996-10-29 Mitsubishi Heavy Ind Ltd ガスタービンの吸気冷却装置
JP2877098B2 (ja) * 1995-12-28 1999-03-31 株式会社日立製作所 ガスタービン，コンバインドサイクルプラント及び圧縮機
DE19651645C2 (de) * 1996-12-12 2002-10-24 Deutsch Zentr Luft & Raumfahrt Verfahren zur Nutzung von Solarenergie in einem Gas- und Dampf-Kraftwerk und Gas- und Dampf-Kraftwerk
DE19652349C2 (de) * 1996-12-17 1999-04-22 Reinhard Prof Dr Tech Leithner Solar- und Niedertemperaturwärme-Kombianlage-Solico
NL1011383C2 (nl) * 1998-06-24 1999-12-27 Kema Nv Inrichting voor het comprimeren van een gasvormig medium en systemen die een dergelijke inrichting omvatten.
DE19900026B4 (de) * 1999-01-02 2016-01-21 Alstom Technology Ltd. Gasturbine mit Dampfeindüsung
JP2007120479A (ja) * 2005-10-31 2007-05-17 Toshiba Corp ガスタービン吸気冷却装置及びガスタービン吸気冷却装置を備えたガスタービンプラント
KR101038249B1 (ko) * 2008-10-29 2011-06-01 (주)엑서지엔지니어링 가스터빈의 흡기 냉각장치

Patent Citations (20)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US5398497A (en) * 1991-12-02 1995-03-21 Suppes; Galen J. Method using gas-gas heat exchange with an intermediate direct contact heat exchange fluid
WO1998048159A1 (fr) 1997-04-22 1998-10-29 Hitachi, Ltd. Installation de type turbine a gaz
US6389799B1 (en) 1997-04-22 2002-05-21 Hitachi, Ltd. Gas turbine Installation
JP2000345857A (ja) 1999-06-04 2000-12-12 Heishoku Boku 低温蒸気利用リパワリングシステム
JP2001214757A (ja) 2000-01-27 2001-08-10 Hitachi Ltd ガスタービン設備
US6981360B2 (en) * 2001-04-09 2006-01-03 Hitachi, Ltd. Gas turbine power generator having humidifying and cooling means
US7520137B2 (en) * 2002-12-02 2009-04-21 Alstom Technology Ltd Method of controlling the injection of liquid into an inflow duct of a prime mover or driven machine
US20100175365A1 (en) 2006-08-10 2010-07-15 Kawasaki Jukogyo Kabushiki Kaisha Solar Thermal Electric Power Generation System and Heating Medium Supply System
JP2008039367A (ja) 2006-08-10 2008-02-21 Kawasaki Heavy Ind Ltd 太陽熱発電設備および熱媒体供給設備
US7712301B1 (en) * 2006-09-11 2010-05-11 Gas Turbine Efficiency Sweden Ab System and method for augmenting turbine power output
US8006499B2 (en) * 2007-03-19 2011-08-30 Hitachi, Ltd. Humid air turbine, humid air turbine control system, and humid air turbine control method
US8151549B2 (en) * 2007-08-07 2012-04-10 Hitachi, Ltd. High humidity gas turbine equipment
US20100154781A1 (en) 2008-12-22 2010-06-24 General Electric Company System and method for heating a fuel using a solar heating system
JP2010144725A (ja) 2008-12-22 2010-07-01 General Electric Co <Ge> 太陽熱加熱システムを使用した燃料加熱のためのシステムおよび方法
JP2009174542A (ja) 2009-05-11 2009-08-06 Hitachi Ltd 高湿分ガスタービン設備
WO2012025967A1 (ja) 2010-08-27 2012-03-01 株式会社 日立製作所 太陽熱利用ガスタービンシステム
WO2012042652A1 (ja) 2010-09-30 2012-04-05 株式会社日立製作所 ガスタービンシステム及びその制御方法
WO2012042638A1 (ja) 2010-09-30 2012-04-05 株式会社日立製作所 太陽熱利用ガスタービンプラント
WO2012042639A1 (ja) 2010-09-30 2012-04-05 株式会社日立製作所 太陽熱利用コンバインドサイクル発電プラント
WO2012042628A1 (ja) 2010-09-30 2012-04-05 株式会社日立製作所 ガスタービン発電装置、ガスタービン発電システムおよびその制御方法

Non-Patent Citations (3)

* Cited by examiner, † Cited by third party
Title
Corresponding International Search Report with English Translation dated Nov. 22, 2010 (four (4) pages).
Japanese-language Written Opinion dated Nov. 22, 2010 (PCT/ISA/237) (three (3) pages).
Japanese—language Written Opinion dated Nov. 22, 2010 (PCT/ISA/237) (three (3) pages).

Cited By (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US20130139517A1 (en) * 2010-08-27 2013-06-06 Hitachi, Ltd. Solar Assisted Gas Turbine System
US20130192193A1 (en) * 2010-09-30 2013-08-01 Hitachi ,Ltd. Solar Assisted Combined Cycle Power Plant
US9359953B2 (en) * 2010-09-30 2016-06-07 Mitsubishi Hitachi Power Systems, Ltd. Combined cycle power plant with solar assisted cooling of compressor inlet air
US20150033760A1 (en) * 2012-02-24 2015-02-05 Mitsubishi Httachi Power Systems, Ltd. Solar Assisted Gas Turbine System
US20230052951A1 (en) * 2020-01-29 2023-02-16 Siemens Energy Global GmbH & Co. KG System comprising thermal accumulator, method for operating same, and method for modifying same
US11852041B2 (en) * 2020-01-29 2023-12-26 Siemens Energy Global GmbH & Co. KG System having thermal accumulator, method for operating same, and method for modifying same
US20230228251A1 (en) * 2020-06-09 2023-07-20 Xinjiang Goldwind Science & Technology Co., Ltd. Cooling system and wind-driven generator system

Also Published As

Publication number Publication date
US20130174549A1 (en) 2013-07-11
CN103069131A (zh) 2013-04-24
EP2623742A1 (de) 2013-08-07
EP2623742B1 (de) 2019-03-06
EP2623742A4 (de) 2018-01-03
WO2012042655A1 (ja) 2012-04-05
JP5400969B2 (ja) 2014-01-29
CN103069131B (zh) 2016-01-06
JPWO2012042655A1 (ja) 2014-02-03

Similar Documents

Publication Publication Date Title
US8978386B2 (en) Gas turbine system, control device for gas turbine system, and control method for gas turbine system
JP5399565B2 (ja) 太陽熱利用コンバインドサイクル発電プラント
CA2682865C (en) A system and method for changing the efficiency of a combustion turbine
JP5779070B2 (ja) 太陽エネルギ利用システム
EP2818665A1 (de) Sonnenwärmeunterstützte gasturbinenanlage
US20120011865A1 (en) Combined Water Extractor and Electricity Generator
Palomba et al. Components and design guidelines for solar cooling systems: The experience of ZEOSOL
AU2011342551B2 (en) Cooling system
JP5427953B2 (ja) 太陽熱利用ガスタービンシステム
JP6613176B2 (ja) 発電システム
JP5422057B2 (ja) ガスタービンシステム及びその制御方法
JP5506460B2 (ja) 冷却システム
US7310950B2 (en) Inlet airflow cooling control for a power generating system
KR102343585B1 (ko) 양방향 계간 축열 시스템
CN206930009U (zh) 一种超低温热水空调一体机
JP5422746B2 (ja) 太陽熱利用ガスタービンプラント
WO2013069111A1 (ja) ガスタービン発電装置およびその運転方法
US20140013757A1 (en) Solar Thermal Gas Turbine System
JP6965221B2 (ja) ガスタービンシステム
JP6342927B2 (ja) 地域熱電併給システムの課金装置
JP2013127323A (ja) エアコンシステム及び制御システム
CN205425252U (zh) 一种基站空调系统控温材料削峰填谷节能装置
Lazzarin Solar cooling plants: some characteristic system arrangements
CN117610831A (zh) 一种基于集成式能源站的决策管理平台

Legal Events

Date Code Title Description
AS Assignment

Owner name: HITACHI, LTD., JAPAN

Free format text: ASSIGNMENT OF ASSIGNORS INTEREST;ASSIGNORS:SEKIAI, TAKAAKI;KOYAMA, KAZUHITO;HATAMIYA, SHIGEO;AND OTHERS;SIGNING DATES FROM 20130124 TO 20130204;REEL/FRAME:030454/0522

AS Assignment

Owner name: MITSUBISHI HITACHI POWER SYSTEMS, LTD., JAPAN

Free format text: ASSIGNMENT OF ASSIGNORS INTEREST;ASSIGNOR:HITACHI, LTD.;REEL/FRAME:033763/0701

Effective date: 20140731

STCF Information on status: patent grant

Free format text: PATENTED CASE

MAFP Maintenance fee payment

Free format text: PAYMENT OF MAINTENANCE FEE, 4TH YEAR, LARGE ENTITY (ORIGINAL EVENT CODE: M1551); ENTITY STATUS OF PATENT OWNER: LARGE ENTITY

Year of fee payment: 4

FEPP Fee payment procedure

Free format text: MAINTENANCE FEE REMINDER MAILED (ORIGINAL EVENT CODE: REM.); ENTITY STATUS OF PATENT OWNER: LARGE ENTITY

LAPS Lapse for failure to pay maintenance fees

Free format text: PATENT EXPIRED FOR FAILURE TO PAY MAINTENANCE FEES (ORIGINAL EVENT CODE: EXP.); ENTITY STATUS OF PATENT OWNER: LARGE ENTITY

STCH Information on status: patent discontinuation

Free format text: PATENT EXPIRED DUE TO NONPAYMENT OF MAINTENANCE FEES UNDER 37 CFR 1.362

FP Lapsed due to failure to pay maintenance fee

Effective date: 20230317